amend expected result in test case after changing rule A8

Author: PhilippSalvisberg

standalone/src/test/java/com/trivadis/plsql/formatter/settings/tests/grammar/plsql/Compile_clause.java

@@ -27,7 +27,8 @@ public void alter_function() throws IOException {
         var actual = getFormatter().format(input);
         var expected = """
                 alter
-                 function f
+                 function
+                  f
                    compile
                     reuse
                      settings;